RS12YC - Champion Spark Plug ( #401)
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List Price
$3.79
Your Price
$3.45
You save $0.34
10+ In Stock. SPEEDY DELIVERY
30-DAY RETURN
FULL WARRANTY
Part Number
RS12YC
Manufacturer
Champion
Replaces OEM 0502181.
Plug Type RS12YC
Seat Type Tapered
Hex Size (Inch) 0.625
Hex Size (MM) 15.880
Thread Size (Inch) 0.551
Thread Size (MM) 14.000
Thread Reach (Inch) 0.689
Taper Diameter (Inch) 0.25
Installed Height (Inch) 2.05
Insulator Projection (Inch) 0.06
Gap (Inch) 0.037-0.043
Gap (MM) 0.94-1.09
Center Electrode Diameter (Inch) 0.078
Center Electrode Material Nickel Copper Alloy
Ground Electrode Material Nickel Copper Alloy
Ground Electrode Quantity 1
Classification Champion Copper Plus
Resistor Plug Yes
Resistor Type SAC-9
Manufacturer Heat Range 12
Electrical Terminal Type Removable Nut
Champion Champion Plug (#401) Rs12yc is equivalent to parts:
- 3854399 Volvo Penta
- 3851857 Volvo Penta
- 3858476 Evinrude Johnson OMC BRP
- 502181 Evinrude Johnson OMC BRP
- 401 Mercury Marine
- 33 401 Mercury Marine
Champion spark plugs use an extruded copper core in the center electrode that maintains accurate control of heat range, optimizing the performance and longevity of the spark plug. This not only will provide you with a dependable start but gives you the confidence that you'll keep going.
Replaces OEM 0502181.Plug Type RS12YCSeat Type TaperedHex Size (Inch) 0.625Hex Size (MM) 15.880Thread Size (Inch) 0.551Thread Size (MM) 14.000Thread Reach (Inch) 0.689Taper Diameter (Inch) 0.25Installed Height (Inch) 2.05Insulator Projection (Inch) 0.06Gap (Inch) 0.037-0.043Gap (MM) 0.94-1.09Center Electrode Diameter (Inch) 0.078Center Electrode Material Nickel Copper AlloyGround Electrode Material Nickel Copper AlloyGround Electrode Quantity 1Classification Champion Copper PlusResistor Plug YesResistor Type SAC-9Manufacturer Heat Range 12Electrical Terminal Type Removable Nut
3.45
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